docs: def download(self, chunk_size=1024):
          """Download attachment
  
          Args:
              chunk_size (int): Byte-size of chunked download request stream
  
          Returns:
              BytesIO: Stream ready for reading containing the attachment file contents
          """
          stream = BytesIO()
  
          response = self._swimlane.request(
              'get',
              'attachment/download/{}'.format(self.file_id),
              stream=True
          )
  
          for chunk in response.iter_content(chunk_size):
              stream.write(chunk)
  
          stream.seek(0)
  
          return stream